Lactalbumin Hydrolysate — 7465 Enzymatic digest of lactalbumin for use in preparing microbiological culture media

Lactobacilli MRS Agar — 7543 For the cultivation of lactobacilli

Lactobacilli MRS Broth — 7406 For the cultivation of lactobacilli

Lactobacillus Selective Agar Base — 7234 For the isolation and enumeration of lactobacilli

Lactose — 7231 Used in preparing microbiological culture media

Lactose Broth — 7141 For the detection of coliform bacteria

Lauryl Sulfate Broth — 7142 For the detection of coliform bacteria in water and wastewater

Lauryl Sulfate Broth with MUG — 7300 For the detection of coliforms and the fluorogenic detection of Escherichia coli

Lauryl Tryptose Broth — 7324 For the detection of coliform bacteria in water and wastewater

LB Agar, Lennox — 7289 For use in molecular genetic studies

LB Agar, Miller — 7213 For use in molecular genetic studies

LB Broth, Lennox — 7290 For use in molecular genetic studies

LB Broth, Miller — 7279 For use in molecular genetic studies

Legionella Agar — 7307 For the isolation of Legionella spp.

Letheen Agar Base — 7118 For use with polysorbate 80 for the testing of quaternary ammonium compounds for antimicrobial activity

Letheen Agar Base with Tween — 7710 For the testing of quaternary ammonium compounds for antimicrobial activity

Letheen Agar Base, Modified — 7495 For use with polysorbate 80 for the isolation of microorganisms from cosmetics

Letheen Broth Base — 7105 For use with polysorbate 80 for the testing of quaternary ammonium compounds for antimicrobial activity

Letheen Broth Base, Modified — 7496 For use with polysorbate 80 for the recovery of microorganisms from cosmetics

Letheen Broth with Tween, Modified — 7712 For the recovery of microorganisms from cosmetics

Listeria Enrichment Broth — 7398 For the selective enrichment of Listeria spp.

Littman Agar — 7173 For the isolation and cultivation of fungi

Lowenstein-Jensen Medium — 7245 For use with fresh egg and glycerol for the isolation and differentiation of Mycobacterium spp.

Lysine Iron Agar — 7211 For the differentiation of microorganisms on the basis of lysine decarboxylase and hydrogen sulfide production